CN107027138A - A kind of room point hidden failure investigation method and device - Google Patents
A kind of room point hidden failure investigation method and device Download PDFInfo
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- CN107027138A CN107027138A CN201610065091.6A CN201610065091A CN107027138A CN 107027138 A CN107027138 A CN 107027138A CN 201610065091 A CN201610065091 A CN 201610065091A CN 107027138 A CN107027138 A CN 107027138A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
Abstract
The invention discloses a kind of room point hidden failure investigation method and device, methods described includes：Obtain MRO initial data；The MRO initial data is parsed, MRO format datas are obtained；According to the MRO format datas, the covering Elongation index related to the RSRP of serving cell is calculated；According to the covering Elongation index, determine that the serving cell whether there is hidden failure.
Description
Technical field
The present invention relates to the network management technology in wireless domain, more particularly to a kind of room point hidden failure investigation
Method and device.
Background technology
At present to the malfunction monitoring of room point cell, be found by webmaster indicator-specific statistics combination on-the-spot test with
Orientation problem.
It is existing to divide district monitoring radio communication for Long Term Evolution (LTE, Long Term Evolution) room
The method of network failure is as follows：
Webmaster index is monitored：At operation maintenance center (OMC, Operation Management Center)
There is index and alarm status in Control Room point cell, by a series of predefined key indexs, such as drop rate,
Percent of call completed, handover success rate, upload rate, downloading rate, uplink interference, downlink quality, time delay, mistake
Block rate, flow etc., such as find that corresponding index deteriorates, then finds that the cell is likely to occur failure, then according to evil
Change index and carry out targetedly troubleshooting processing.Monitoring means in OMC sides can only monitor the event of base station side
Barrier, can not be monitored to the network failure in indoor signal compartment system.
In terms of on-the-spot test：By field optimizing attendant, periodically or non-periodically scene is tested,
Cell is tested one by one according to predetermined method of testing and investigation flow, so that pinpoint the problems, and scene
Processing.Upper station checks whether line transmission or power supply go wrong.Field test cycle is long, and scope is big, no
One the problem of surely find all, and some fault cells it is no reach test before, just faulty, band
Disease work.
Such case, the exposure of problem is often because just knowing the appearance of problem, shadow by the complaint of user
Client perception is rung, CSAT declines.
The content of the invention
In order to solve the above technical problems, the embodiments of the invention provide a kind of room point hidden failure investigation method and
Device.
Room provided in an embodiment of the present invention point hidden failure investigation method, including：
Obtain measurement report sample data file (MRO, Measurement Report Original) original number
According to；
The MRO initial data is parsed, MRO format datas are obtained；
According to the MRO format datas, calculate with the Reference Signal Received Power of serving cell (RSRP,
Reference Signal Receiving Power) related covering Elongation index；
According to the covering Elongation index, determine that the serving cell whether there is hidden failure.
It is described to calculate the covering Elongation index related to the RSRP of serving cell, bag in the embodiment of the present invention
Include：
For the serving cell without adjacent area, the sampled point that the serving cell RSRP is more than first threshold is calculated
Accounting, is used as the first reference index；
For there is a serving cell of adjacent area, adopting for the big Second Threshold in area near the serving cell RSRP is calculated
Sampling point accounting, is used as the second reference index；
According to first reference index and second reference index, covering Elongation index is calculated.
It is described according to first reference index and second reference index in the embodiment of the present invention, calculate
Elongation index is covered, including：
First reference index is multiplied with second reference index, the covering Elongation index is obtained.
It is described according to the covering Elongation index in the embodiment of the present invention, determine whether the serving cell is deposited
In hidden failure, including：
Judge whether the covering Elongation index is more than or equal to the first threshold value；
When the covering Elongation index is more than or equal to the first threshold value, judges that the serving cell was present and cover
Lid.
It is described according to the covering Elongation index in the embodiment of the present invention, determine whether the serving cell is deposited
In hidden failure, in addition to：
When the covering Elongation index is less than the first threshold value, judge whether the covering Elongation index is more than
Equal to the second threshold value；
When the covering Elongation index is less than the second threshold value, the serving cell normal service is judged；
When the covering Elongation index is more than or equal to the second threshold value, judge that the serving cell is present recessive
Failure.
Room provided in an embodiment of the present invention point hidden failure examination device, including：
Acquiring unit, for obtaining MRO initial data；
Resolution unit, for obtaining measurement report sample data file MRO initial data；
Processing unit, for according to the MRO format datas, calculating the RSRP phases with serving cell
The covering Elongation index of pass；
Decision package, for according to the covering Elongation index, determining the serving cell with the presence or absence of recessiveness
Failure.
In the embodiment of the present invention, the processing unit includes：
First computation subunit, for for the serving cell without adjacent area, calculating the serving cell RSRP
More than the sampled point accounting of first threshold, the first reference index is used as；
Second computation subunit, for for there is the serving cell of adjacent area, calculating the serving cell RSRP
The sampled point accounting of the neighbour big Second Threshold in area, is used as the second reference index；
3rd computation subunit, for according to first reference index and second reference index, calculating
Cover Elongation index.
In the embodiment of the present invention, the 3rd computation subunit is additionally operable to first reference index and institute
The multiplication of the second reference index is stated, the covering Elongation index is obtained.
In the embodiment of the present invention, the decision package includes：
First judges subelement, for judging whether the covering Elongation index is more than or equal to the first threshold value；
When the covering Elongation index is more than or equal to the first threshold value, judge that the serving cell had covering.
In the embodiment of the present invention, the decision package also includes：
Second judges subelement, for when the covering Elongation index is less than the first threshold value, judging described
Cover whether Elongation index is more than or equal to the second threshold value；When the covering Elongation index is less than the second threshold value
When, judge the serving cell normal service；When the covering Elongation index is more than or equal to the second threshold value,
Judge that the serving cell has hidden failure.
In the technical scheme of the embodiment of the present invention, MRO initial data is obtained；To the MRO initial data
Parsed, obtain MRO format datas；According to the MRO format datas, calculate with servicing small
Covering the Elongation index related RSRP in area；According to the covering Elongation index, the serving cell is determined
With the presence or absence of hidden failure.Here, MRO initial data is that user produces in actual use and user
Closely related measurement, different from such as success rate of the performance indications in network management system, its reality closer to user
Border use environment, can more react practical situations, therefore carry from a series of processing of the data source
The problem of going out can more show the problem of being run into actual environment.Pass through the reality to technical scheme of the embodiment of the present invention
Apply, it is possible to reduce substantial amounts of on-the-spot test, save a large amount of costs of labor, and can be automated by platform
Realize, timing output problem cells, mail messaging or the form by distribute leaflets notify related troubleshooting personnel, right
Hidden failure is handled in time, it might even be possible to discovered problems and solve them prior to customer complaint, it is ensured that network is good for
Kang Yunhang, lifts client perception, increases customer satisfaction degree.
Brief description of the drawings
Fig. 1 investigates the schematic flow sheet of method for the room point hidden failure of the embodiment of the present invention；
Fig. 2 gathers schematic diagram for the MRO of the embodiment of the present invention；
Fig. 3 is the MRO raw data format schematic diagrames of the embodiment of the present invention；
The schematic diagram data that Fig. 4 formats for the MRO of the embodiment of the present invention；
Fig. 5 is the live room subsystem schematic diagram of the embodiment of the present invention；
Fig. 6 divides the structure composition schematic diagram of hidden failure examination device for the room of the embodiment of the present invention.
Embodiment
The characteristics of in order to more fully hereinafter understand the embodiment of the present invention and technology contents, below in conjunction with the accompanying drawings
Realization to the embodiment of the present invention is described in detail, appended accompanying drawing purposes of discussion only for reference, is not used for
Limit the embodiment of the present invention.
With the development of mobile communication technology, the scale of mobile communications network is increasing, corresponding wireless network
Network structure also becomes increasingly complex.Indoor signal compartment system is also referred to as room subsystem, and it is small that room subsystem is covered
Area is referred to as room point cell, and room point cell shares more data traffics, room is found in time with respect to outdoor cell
The problem of point cell is present, allows each room subsystem working healthily, outstanding for the perception, the satisfaction that lift user
To be important.Indoor signal compartment system is that base station signal is evenly distributed on into room using domestic aerial compartment system
Interior every nook and cranny, so as to ensure that indoor each region is attained by preferable signal covering, and then improves building
Mobile communication environment in thing, but indoor distributed system is because of the performance degradation of hardware, it would be possible to produce webmaster system
The recessive problem that system is difficult to find to discover by monitor control index and alarm.Existing Network Fault Detecting method mesh
It is preceding also network hidden failure accurately to be monitored.
When flow bust, and other every KPI Key Performance Indicators (KPI, Key Performance Indicator)
When normal, it may be determined that whole indoor signal compartment system breaks down, but part indoor signal compartment system
During failure, may there was only the slight change of part index number, now will be unable to by the prison to key index
The network failure for judging indoor signal compartment system is surveyed, could really only when user is by network fault reporting
Determine the network failure of part indoor signal compartment system.
Therefore, the method for being badly in need of seeking quickly can effectively find out room point cell hidden failure.The present invention is implemented
The technical scheme of example, the region overlay that will be broken down during for room point passive device failure or hydraulic performance decline becomes
Difference or fault zone serving cell alteration, conventional method are difficult the hidden failure for finding to find out, it is proposed that
Carry out counting chamber point based on the data rule combination that measurement report (MR, Measurement Report) is measured to cover
Lid Elongation index, by the Index Assessment room point covering, is emphasized, serving cell by the level of serving cell
Carry out comprehensive assessment room point covering power with the contrast of the level relationship of adjacent area, according to the related measurement statistics of user come
The size of Evaluation Room point overlay area, proposes fault cells of problems.
Fig. 1 investigates the schematic flow sheet of method for the room point hidden failure of the embodiment of the present invention, as shown in figure 1,
The room point hidden failure investigation method comprises the following steps：
Step 101：Obtain MRO initial data.
Reference picture 2, Fig. 2 is the MRO collection schematic diagrames of the embodiment of the present invention, and here, DATA REASONING is point
When Long Term Evolution (TD-LTE, Time Division Long Term Evolution) system an important work(
Energy.The measurement result that physical layer is reported can be used for wireless heterogeneous networks sublayer in system and complete such as cell choosing
/ the triggering of the event such as gravity treatment and switching is selected, system operation maintenance, the running status of observing system is can be used for.
MRO measurement report sample datas represent the original measurement report information that OMC-R is collected, and wherein RSRP is
The key factor that inventive embodiments consider.
RSRP is defined as on the frequency band for considering measurement, carries the resource unit of cell own reference signal
The linear average of the power (W) of (RE, Resource Element), is reflection serving cell covering
Leading indicator.This measurement data represents to meet uniting according to by stages for span in OMC-R measurement periods
Count the number of samples of UE Reference Signal Received Power.Shown in span table 1 below.Such as from-∞ to -120dBm
One interval, correspondence MR.RSRP.00；It is an interval from -120dBm to -115dBm, correspondence
MR.RSRP.01；From -115dBm to -80dBm per mono- interval of 1dB, correspondence MR.RSRP.02 is arrived
MR.RSRP.36；From -80dBm to -60dBm per mono- interval of 2dB, correspondence MR.RSRP.37 is arrived
MR.RSRP.46；More than one interval of -60dBm, correspondence MR.RSRP.47, the rest may be inferred.
Table 1
MRO data can be used for the coverage condition for assessing LTE cells, according to the interval distribution proportion of different field strength
It can determine whether the substantially coverage of the cell.Antenna occlusion and hardware fault can cause signal weak, easily produce
Call drop and rate is reduced on, for checking MPS process blind spot/weak overlay area.Pass through cell-of-origin and adjacent area
RSRP can carry out pilot pollution analysis.
Step 102：The MRO initial data is parsed, MRO format datas are obtained.
Reference picture 3 and the MRO raw data format schematic diagrames that Fig. 4, Fig. 3 are the embodiment of the present invention, Fig. 4
The schematic diagram data formatted for the MRO of the embodiment of the present invention.MRO initial data is parsed, it is former
Beginning data format is as shown in figure 3, data format is as shown in figure 4, form the data for being available for batch processing after parsing
Structure.
Step 103：According to the MRO format datas, related to the RSRP of serving cell cover is calculated
Lid Elongation index.
In the embodiment of the present invention, in the cell of room point, the region overlapped with other cells and Fei Jiao are constantly present
Folded region.Overlapping region has a hall gateway, basement gateway, window side of each floor etc., when these
When overlapping region room point covering is abnormal, room point covering is shunk, and overlapping region room sub-signal intensity is believed less than adjacent area
Number intensity, will take neighboring area signal.When non-overlapping region room point partial fault, room point coverage strength weakens,
The increase of feeble field ratio.When overlapping region room sub-signal intensity is less than neighboring area signal intensity certain proportion, or non-friendship
The room point feeble field ratio is excessive in folded region, then the room of explanation point has hidden failure, it is necessary to send attendant
In-situ processing.
Specifically, for the serving cell without adjacent area, calculate the serving cell RSRP and be more than first threshold
Sampled point accounting, be used as the first reference index；
For there is a serving cell of adjacent area, adopting for the big Second Threshold in area near the serving cell RSRP is calculated
Sampling point accounting, is used as the second reference index；
According to first reference index and second reference index, covering Elongation index is calculated.Specifically,
First reference index is multiplied with second reference index, the covering Elongation index is obtained.
Here, first threshold could be arranged to -105, naturally it is also possible to which basic actual scene is set to other values.
Second Threshold could be arranged to 6db, naturally it is also possible to which basic actual scene is set to other values.
First reference index is denoted as P1, the second reference index P2 is denoted as, then P1 is smaller, shows covering
The region in cavity is bigger, and P2 is smaller, and the ability with other cell juncture areas is smaller.Cover Elongation index then
For P1 × P2.
Step 104：According to the covering Elongation index, determine that the serving cell whether there is hidden failure.
In the embodiment of the present invention, first, it is determined that whether the covering Elongation index is more than or equal to the first threshold value；
When the covering Elongation index is more than or equal to the first threshold value, judge that the serving cell had covering.
Secondly, when the covering Elongation index is less than the first threshold value, judge that the covering Elongation index is
It is no to be more than or equal to the second threshold value；When the covering Elongation index is less than the second threshold value, the clothes are judged
Business cell normal service；When the covering Elongation index is more than or equal to the second threshold value, the service is judged
There is hidden failure in cell.
Organizational computing is carried out to every information in MRO format datas, the formula rule more than is counted
Each room point cell serves cell sampled point is calculated, serving cell is without adjacent area sampled point, and serving cell is without adjacent area
When more than absolute value sampled point, serving cell strength be more than adjacent area sampled point, so as to calculate adjacent area
Situation and the room point coverage strength without adjacent area situation, by the Comparative result with known problem cells, draw and work as
Room point there will be hidden failure problem when covering Elongation index is less than some value, when index is more than some value,
There are problems that room is exceptionally let out or macro station invasion, when index is less than some value, there is the not enough problem of in-door covering.
One is entered again to the room point hidden failure investigation method of the embodiment of the present invention under concrete scene referring to Fig. 5
Step is described.
Problem is described：Certain cell complaint signal is weak, and no alarm is looked on backstage.
Case study：By calculating the covering Elongation index of the cell, the covering Elongation index of the cell is found
Value is less than threshold value.
Scene investigation confirms：Pass through the investigation main branch each light current, it was found that 13 layers of few 2 work(point
Device, 13 layers to 23 layers main feeder are not done, and 23 layer of 3 few one of work(point causes 36#18 layers of above signal complete
Nothing.3 work(of in troubleshooting procedure it has been found that many places floor main split point do not know He Yinwei connect cause floor without
Signal.
In summary, the measurement report sample that this motion is gathered by the room of acquisition point base station measurement report acquisition device
Notebook data, the data carry the Reference Signal Received Power information of room point serving cell and adjacent area；According to the survey
Sample data is measured, feeble field ratio is determined in room sub-service business cell coverage area and big with other cell critical zones
It is small, determine the covering Elongation index of the cell；When the currency of the MPS process Elongation index and relatively same
When float value in time meets default exceptional condition, determine that the network of the room point cell breaks down.Compare
In prior art, the scheme provided using this motion is more accurate to Network Fault Detecting.
Fig. 6 is the structure composition schematic diagram of the room point hidden failure examination device of the embodiment of the present invention, such as Fig. 6
Shown, the room point hidden failure examination device includes：
Acquiring unit 71, for obtaining MRO initial data；
Resolution unit 72, for obtaining measurement report sample data file MRO initial data；
Processing unit 73, for according to the MRO format datas, calculating the RSRP with serving cell
Related covering Elongation index；
Decision package 74, for according to the covering Elongation index, determining the serving cell with the presence or absence of hidden
Property failure.
The processing unit 73 includes：
First computation subunit 731, for for the serving cell without adjacent area, calculating the serving cell
RSRP is more than the sampled point accounting of first threshold, is used as the first reference index；
Second computation subunit 732, for for there is the serving cell of adjacent area, calculating the serving cell
The sampled point accounting of the big Second Threshold in area, is used as the second reference index near RSRP；
3rd computation subunit 733, for according to first reference index and second reference index,
Calculate covering Elongation index.
3rd computation subunit 733, is additionally operable to refer to first reference index and second reference
Mark is multiplied, and obtains the covering Elongation index.
The decision package 74 includes：
First judges subelement 741, for judging whether the covering Elongation index is more than or equal to the first thresholding
Value；When the covering Elongation index is more than or equal to the first threshold value, judges that the serving cell was present and cover
Lid.
The decision package 74 also includes：
Second judges subelement 742, for when the covering Elongation index is less than the first threshold value, judging
Whether the covering Elongation index is more than or equal to the second threshold value；When the covering Elongation index is less than second
During limit value, the serving cell normal service is judged；When the covering Elongation index is more than or equal to the second thresholding
During value, judge that the serving cell has hidden failure.
It will be appreciated by those skilled in the art that each unit in point hidden failure examination device shown in Fig. 6
Realize that function can refer to the associated description of foregoing point of hidden failure investigation method and understand.Dividing shown in Fig. 6 is hidden
The function of each unit in property malfunction elimination can be realized by running on the program on processor, can also be passed through
Specific logic circuit and realize.
, can be in any combination in the case where not conflicting between technical scheme described in the embodiment of the present invention.
In several embodiments provided by the present invention, it should be understood that disclosed method and smart machine,
It can realize by another way.Apparatus embodiments described above are only schematical, for example,
The division of the unit, only a kind of division of logic function, can there is other division side when actually realizing
Formula, such as：Multiple units or component can be combined, or be desirably integrated into another system, or some features can
To ignore, or do not perform.In addition, the coupling or straight of shown or discussed each part each other
Connect coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of equipment or unit,
Can be electrical, machinery or other forms.
The above-mentioned unit illustrated as separating component can be or may not be it is physically separate, as
The part that unit is shown can be or may not be physical location, you can positioned at a place, also may be used
To be distributed on multiple NEs；Part or all of unit therein can be selected according to the actual needs
Realize the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a second processing list
, can also two or more unit collection in member or each unit is individually as a unit
Into in a unit；Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ hard
Part adds the form of SFU software functional unit to realize.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited to
This, any one skilled in the art the invention discloses technical scope in, can readily occur in
Change or replacement, should all be included within the scope of the present invention.
Claims (10)
1. a kind of room point hidden failure investigation method, it is characterised in that methods described includes：
Obtain measurement report sample data file MRO initial data；
The MRO initial data is parsed, MRO format datas are obtained；
According to the MRO format datas, the Reference Signal Received Power RSRP with serving cell is calculated
Related covering Elongation index；
According to the covering Elongation index, determine that the serving cell whether there is hidden failure.
2. room according to claim 1 point hidden failure investigation method, it is characterised in that the calculating
The covering Elongation index related to the Reference Signal Received Power RSRP of serving cell, including：
For the serving cell without adjacent area, the sampled point that the serving cell RSRP is more than first threshold is calculated
Accounting, is used as the first reference index；
For there is a serving cell of adjacent area, adopting for the big Second Threshold in area near the serving cell RSRP is calculated
Sampling point accounting, is used as the second reference index；
According to first reference index and second reference index, covering Elongation index is calculated.
3. room according to claim 2 point hidden failure investigation method, it is characterised in that the basis
First reference index and second reference index, calculate covering Elongation index, including：
First reference index is multiplied with second reference index, the covering Elongation index is obtained.
4. room according to claim 1 point hidden failure investigation method, it is characterised in that the basis
The covering Elongation index, determines that the serving cell whether there is hidden failure, including：
Judge whether the covering Elongation index is more than or equal to the first threshold value；
When the covering Elongation index is more than or equal to the first threshold value, judges that the serving cell was present and cover
Lid.
5. room according to claim 4 point hidden failure investigation method, it is characterised in that the basis
The covering Elongation index, determines that the serving cell whether there is hidden failure, in addition to：
When the covering Elongation index is less than the first threshold value, judge whether the covering Elongation index is more than
Equal to the second threshold value；
When the covering Elongation index is less than the second threshold value, the serving cell normal service is judged；
When the covering Elongation index is more than or equal to the second threshold value, judge that the serving cell is present recessive
Failure.
6. a kind of room point hidden failure examination device, it is characterised in that described device includes：
Acquiring unit, for obtaining MRO initial data；
Resolution unit, for obtaining measurement report sample data file MRO initial data；
Processing unit, for according to the MRO format datas, calculating the RSRP phases with serving cell
The covering Elongation index of pass；
Decision package, for according to the covering Elongation index, determining the serving cell with the presence or absence of recessiveness
Failure.
7. according to claim 6 point of hidden failure examination device, it is characterised in that the processing list
Member includes：
First computation subunit, for for the serving cell without adjacent area, calculating the serving cell RSRP
More than the sampled point accounting of first threshold, the first reference index is used as；
Second computation subunit, for for there is the serving cell of adjacent area, calculating the serving cell RSRP
The sampled point accounting of the neighbour big Second Threshold in area, is used as the second reference index；
3rd computation subunit, for according to first reference index and second reference index, calculating
Cover Elongation index.
8. according to claim 7 point of hidden failure examination device, it is characterised in that the 3rd meter
Operator unit, is additionally operable to first reference index being multiplied with second reference index, obtains described cover
Lid Elongation index.
9. according to claim 6 point of hidden failure examination device, it is characterised in that the decision-making list
Member includes：
First judges subelement, for judging whether the covering Elongation index is more than or equal to the first threshold value；
When the covering Elongation index is more than or equal to the first threshold value, judge that the serving cell had covering.
10. according to claim 9 point of hidden failure examination device, it is characterised in that the decision-making
Unit also includes：
Second judges subelement, for when the covering Elongation index is less than the first threshold value, judging described
Cover whether Elongation index is more than or equal to the second threshold value；When the covering Elongation index is less than the second threshold value
When, judge the serving cell normal service；When the covering Elongation index is more than or equal to the second threshold value,
Judge that the serving cell has hidden failure.
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| CN110337081A (en) * | 2019-04-23 | 2019-10-15 | 深圳市名通科技股份有限公司 | The monitoring method of local fault, device and storage medium in indoor distributed system |
| CN112020087A (en) * | 2019-05-30 | 2020-12-01 | 中国移动通信集团浙江有限公司 | Tunnel fault monitoring method and device and computing equipment |
| CN113784378A (en) * | 2021-09-10 | 2021-12-10 | 中国联合网络通信集团有限公司 | Method, device, server and storage medium for detecting faults of indoor cell |
| CN114339852A (en) * | 2021-12-31 | 2022-04-12 | 中国联合网络通信集团有限公司 | Cell fault analysis method and device, electronic equipment and storage medium |
| CN114363946A (en) * | 2021-12-24 | 2022-04-15 | 中国联合网络通信集团有限公司 | Method, device and equipment for monitoring network quality of indoor cell and storage medium |
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